674263
Description
Flashcards by Adam Collinge, updated more than 1 year ago
|
Created by Adam Collinge
almost 11 years ago
|
|
| Question | Answer |
| What are the units of energy, associated with the cost of electricity? | Kilowatt-hours (kWh) |
| What is the equation for the amount of energy transferred by an appliance? | Energy = Power x Time J=kWxh |
| What is a Kilowatt-hour? | The amount of electrical energy used by a 1 kW appliance, left on for 1 hour |
| Give two formulas for calculating the cost of electricity. How do you use them? | 1) units= kW x hours 2) Cost= units x Price Work out formula 1, then use those numbers in formula 2 |
Want to create your own Flashcards for free with GoConqr? Learn more.